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Shop the best prices on 8,063 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,281 - 1,312 of 3,200
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anyw
$79.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$25.95 Save $17.00 RRP: $42.95
Ammonia Sensor Module 5‑500ppm Ammonia Detection Sensor Board TTL Output for Testing
$44.95 Save $14.05 RRP: $59.00
Digital Natural Gas Detector, Household Gas Alarm, Gas Leak Detector, High Sensitivity
$35.95 Save $113.05 RRP: $149.00
Portable Air Quality Detector CO2 Gauge Digital Temperature Measurement Humidity Tester CO2 Detector TVOC Formaldehyde HCHObianc
$44.95 Save $134.05 RRP: $179.00
Portable Pen Type Gas Detector Combustible Leak Detection Tool Sound Alarm Function Methane Propane Gas Leak Detection Home Security Detector for All
$48.95 Save $140.05 RRP: $189.00
CO2 Air Detector Carbon Dioxide Detector Agriculture Production Greenhouse CO2 Monitor
$26.95 Save $87.05 RRP: $114.00
Gas Leak Detector, High Sensitivity Natural Gas Detectors For Home With Sound & Lcd Alarm, Battery Operated Gas Sniffer Detector, Locate Combustible G
$104.00 Save $85.00 RRP: $189.00
2pcs Mq-9 Mq9 Liquefied Flammable Methane Gas Sensor Module unbrand
$30.95
12589321 Car Accessories Oxygen Sensor O2 Sensor
$24.95 Save $2.00 RRP: $26.95
1pc, Independent Home Fire Smoke Detector Jskee
$30.95 Save $28.05 RRP: $59.00
Lcd Gas Analyzer Tester Meter Automotive Combustible Gas Sensor Air Quality Monitor Gas Leak Detector With Sound Shock Alarm
$199.00 Save $60.00 RRP: $259.00
Ir Counter Nuclear Detector X-ray Gamma Detector
$119.00
Portable Leak Analyzers Leakage Tester for HVAC Systems with Long Probe Leak Detector
$179.00 Save $80.00 RRP: $259.00
-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instrumen
$129.00 Save $10.00 RRP: $139.00
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
$49.95 Save $9.05 RRP: $59.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communicati
$54.00 Save $10.00 RRP: $64.00
Automatic Alarm Gas Leak Detector Methane Gas Natural Gas Liquefied Petroleum Gas Combustible Gas G
$79.00 Save $10.00 RRP: $89.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
$269.00 Save $140.00 RRP: $409.00
Natural Gas Detector and Carbon Monoxide CO Detector, Combustible Gas Leak Detector Monitor for Co,
$51.95 Save $52.05 RRP: $104.00
Portable Gas Leak Detector Handheld Natural Gas Sniffer High Sensitivity Lcd Display
$64.00
Portable Radon Detector, Audible & Visual Alarm, Long-Term Radon Concentration Monitoring for Home Basement, PCi/L
$219.00 Save $30.00 RRP: $249.00
ANENG GN805 LCD Screen Combustible Gas Detector Sound Light Alarm Gas Leakage Tester
$27.95 Save $51.05 RRP: $79.00
Indoor CO2 Monitor 3-in-1 Air Quality Monitor with CO2 / Temp / Humidity NDIR Sensor Carbon Dioxide
$99.00 Save $150.00 RRP: $249.00
Air Quality Sensor Detector 5-in-1 Multifunctional CO CO2 Monitor HCHO TVOC AQI Tester Meter for Ind
$59.00 Save $90.00 RRP: $149.00
TASI TA8407A Gas Detector Handheld Pen Style Gas Detector Combustible Natural Gas Flammable Alarm Hi
$45.95 Save $83.05 RRP: $129.00
3-in-1 Carbon Monoxide Detector 0-1000PPM Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in
$59.00 Save $15.00 RRP: $74.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$179.00 Save $350.00 RRP: $529.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$179.00 Save $350.00 RRP: $529.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$179.00 Save $350.00 RRP: $529.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$179.00 Save $395.00 RRP: $574.00
Détecteur de gaz 4 en 1 CO H2S O2 EX Testeur Analyseur Écran LCD Rechargeable Son Lumière Vibration Alarme Testeur de qualité de l'air
$219.00 Save $60.00 RRP: $279.00